Altcoins are absurd. 99% are scams, vaporware or have no use-case. This is a full blown out Tulip Mania:
https://en.wikipedia.org/wiki/Tulip_mania ; Just a small heads up to those who do not know what happened with the Tulip bubble:

Back to the important stuff:
I think that part of my point was that the prediction range is so broad that it makes the prediction almost meaningless.
I don't think he meant to speculate only anything other than that the bull trend is still present and that we're going up.
I don't really disagree with the sentiment though.. and it is possible that that prices could bounce within such a 15% price range throughout the upcoming week.
In case that you've missed this (which I find rather very important):
https://fee.org/articles/bitcoin-is-less-volatile-than-the-euro/ Here are two nice website to track this:
https://www.buybitcoinworldwide.com/volatility-index/https://bitvol.info/